Explosive-engine.



No. 893,323. PA TE NTED JULY 14, 1908.

G; R. GREUTER.

EXPLOSIVE ENGINE. 'APPLIOATION FILED APR. 25, 1907.

tion of the cylinder of an explosive engine proved valve mountingcontemplated by CHARLES R. GREUTER, OF WILKES-BARBIE, PEN N$YLVA NIA.

EXPLQSIVE-ENGINE.

Specification oi Letters Patent,

Patented July 14', 1908.

Application filed April 25, 1967. Serial No. 310,277.

To all whom it may center n:

Be it known that I, (lirAitLns R. GREUTER, a citizen of the UnitedStates of America, residing at- Wilkes 7 Barre, Pennsylvania, haveinvented new and useful Improvements in Explosive-Engines, of which thefollowing is a specification.

This invention relates to explosive engines and has s ecial reference tocertain new and practica improvements in t'he valve motinting therefor.

To this end the invention primarily has in view a novel mounting of theinlet and exhaust valves for. explosive engines whereby such valves andtheir accessories are maintained thoroughly cooled so that the same willnot become sullicientlyv hot to scale or pit, thereby obviating thenecessity of regrinding the valves as is required in the ordinary typesof valve mountings for explosive engines.

A further and distinctive object of the invention is to provide a novelarrangement of the cages for the inlet and exhaust valves of anexplosive engine, whereby the said cages "are exposed directly to thecooling influence of the water in the water jacket of the cylinder, thusproviding means which positively insures the proper cooling of theexhaustvalve.

A further object of the invention is to so mount the valves in. theirrelated parts as to permit of ready assembling and also ready removalfor purposes of repair or adjust"- ment and to provide for a water tightconnection'between the walls of the cylinder and the valve cage,

With these and many other objects in view, which will readily appear asthe nature of the invention is better understood, the same consists inthe novel construction, combination, and arrangement ofparts'hereinafter more fully described, illustrated, and claimed.

The essential features of the invention involved in carrying out theobjects above indicated are necessarily susceptible to structural changewithout departing from' the scope of the invention, but a preferredembodiment thereof is shown in the accompanying drawings, in which thefigure ofthe drawings is a sectional view of the head porshowing thesame equipped with the imthe present invention.

In carrying out the present invention. no radical change is required inthe valve construction orin the valve controlling nicchan ism of theinlet and exhaust valves associated with the cylinder head of the exlosivc engine, so for illustrative purposes t ere is shown in thedrawings the head portion H of the cylinder of an explosive engine,which head portion includes in its construction the -inner and outercylinder wall 1 and 2 arranged in spaced relation to provide the usualinclosed water jacket 3 enveloping the cylinder body and its head, anddesigned to have water circulated therethrough for cool ing purposes.

It is preferable in adapting the improvements to the cylinder head of anexplosiveengine, to arrange the inlet and exhaust valves 5 and 6respectively at opposite sides of the cylinder head, but performing theusual functions of admitting the explosive.

mixture to the cylinder head, and exhausting spentproducts therefrom. l;re equip ment and mounting of each. of said valves 5 and 6 are thesame, the only difference to be noted residing in the fact that theexhaust valve and its equipment are arranged at the side of the cylinderhead, (opposite the sparking mechanism S,) where the most water islocated, and thereby giving the: exhaust valve and its cage the benefitof more effective cooling from the water in the water jacket of thecylinder.

Referring articularly to the mounting of the opposite y arranged valves5 and 6, it will be observed that the cylinder head is provided uponopposite sides thereof with inclined valve supporting sections withinand ilpon which sections are designed. to be mounted the cages 7 for thevalves. Each valve cage 7 essentially consists of a cylindrical bodyprovided therein with a centrally arranged guiding tube 8 accommodatingthe sliding valve stem 9 connected at its inner end with the valveproper, the outer end of each valve stem 9 carrying a contact head 10adapted to be engaged by the tappet .11 car ried by a rockerarm 12mounted on a rock shaft 13 to which is also connected a secondrockervarm 14 carrying at its free end a contact roller 15 forengagement with the cam 1.6 on the cam shaft 17. These parts are dupli-Gatedfor the oppositely arranged valves, thereby comjleting a valvecontrolling mechanism, w iich by reason of the arrangement of th cams onthe cam shaft, prov des means for the alternate opening and closing ofthe inlet and exhaust valves in proper time all of which will be readilyunderstood by those familiar with the art without further description.However, in this connection, it may be further noted that there isassociated with each of the sliding valve stems 9 a bowed valve closingspring 17, one

- formed at the inner end of the valve cage 7 for said valve. Also atits inner end each valve cage 9 is provided with an exteriorly threadedfastening neck 22 engaging the threaded receiving opening 23 provided inthe inner Wall portion 1 of the inclined valve supporting section of thecylinder head. By reason of forming the exteriorly threaded fasteningneck 22 there is provided on the inner end portion of each valve cage 7an external joint shoulder 24 adapted to smoothly and tightly bind onthe ground joint face 25 turned on the outer face of the inner wallsection 1 of the cylinder head. This provides an eiiective ti'ht jointbetween. the valve cage and sai wall section and prevents. leakage atthis point; while at the same time exposing a material portion .of thebody of the valve cage to the water within the water jacket 3.

The cylindrical body of each projects upwardly from its connection with.the inner wall section 1 across the water jacket space 8, and through aholding opening 26 formed in the outer wall section 2. Said holdingopening 26 is formed in the base of what may be termed an interiorlythreaded socket 27 accommodating therein an exteriorly threaded acking"nut 28 which lies wholly within t e socket and is adapted to beturnedagainst a co per or equivalent gasket 29 seated on the ase of the socketand binding a ainst an exterior bearing shoulder 30 provi ed on the bodyof the valve cage 7. By reason of this construction, it will be observedthat the tend; ency of the packing nut 28 is to force the valve cage 7against the ground joint face or shoulder25 of the inner wall sectionthereby maintaining,asecure' water tight joint connection between thevalve cage body and the inner and outer wallsections of the cylinderhead, while'a't the same time exposing a 1 material portion of the valvecage body to :water jacket,"

the cooling influence of the water=in the Th5 Outer projectingportijbnofeach valve valve cage 7 cage body 7, lying beyond the outerwall of the cylinder head, is provided with an outer closed head 31 andwith a side port or ions 32 in communication with a semi-tubular pipering 33 encircling the outer projecting portion of the valve cage body.The semitubular pipe ring 33 for each of the opposite valve cages, isprovided at one side with a coupling neck 34, and to the couplingnccks34 of the opposite pipe rings are respectively coupled the inlet andexhaust pipes of the engine, which pipes are desi nated respectively bythe numbers 35 an 36.

In connection with the above features, it will be noted thatcach valvecage body 7 is .provided with an outer threaded extremity 37 receivingthereon an internally threaded ring nut 38 binding upon and holding inposition the pipe ring I claim:

1. In a valve mounting for explosive engines, a cylinder headliaving awater jacket, a valve cage having a threaded neck and a contiguousshoulder forming a detachable ground joint connection with the innerwall section, and a locked connection with the outer wall section, saidvalve cage being ex posed to the water in the water jacket.

2. In a valve mounting for explosive engines, the combination of thecylinder head having a water jacket, and whose inner wall section isprovided with a ground joint face and a threaded receiving opening, theouter wall section of said head being provided with aninteriorlythreaded socket and a holdingopening piercing'the base of thesocket, a valve cage carrying a valve equipment and provided at its'inner extremity with a threaded fastening neck for engagement with saidreceiving opening and adjacent to said neck with a joint shoulder forengagement with said ground joint face, said valve cage being furtherprovided with an exterior bearing shoulder, a gasket seated in saidsocket and bearing on said bearing shoulder of the cage, and anexteriorly threaded nut engaging in said threaded socket and binding onsaid gasket. 1

3. In a valve mounting for explosive engines, a cylinder head providedwith a water jacket and having in its outer wall a threaded socket, anda valve cage carrying a valve equipment and having an external pipeconnection therewith, said valve cage being lurther provided with anexterior bearing shoulder, a gasket arran ed in said socket and bindingon said shou der, and a )acking nut mounted in said socket and bin ingon said gasket.

4. In a valve mounting for explosive engines, a cylinder provided. witha water -jacket, a valve cage projected through the water jacket, meansfor securing the said valve cage to the inner wall of the cylinder lot -inner Wallof the cy wallof the cylinder and forcing it upon a seat onthe inner wall of the cylinder, said securing means being locatedoutside of the water jacket, whereby the exterior wall of isiaidl cageis in direct contact with thecooling '5. In a valve mounting for exlosive engines, a cylinder provided wit a water jacket, a valve cageprojected through the water jacket and provided at its inner end with athreaded neck and contiguous shoul-.

der, and means for securing the cage in the outer wall of the cylinderand forcing the shoulder on, the cage against a seat on the inder.

6. In a valve mounting for ex losive engines, a cylinder provided wit awater jacket, a valve cage projected through the water jacket, a groundshoulder on the valve cage adapted to seat on a ground seat on the innerwall of the cylinder, an exterior screw to engage with an interior screwthread in an opening in the inner wall of the cylinder, a

screw threaded recess surrounding the opening in the outer wall of thecylinder through which the valve cage is projected, an interior screwthreaded collar adapted to engage with the screw thread in such recessin the outer wall of the cylinder constituting means for securing thevalve cage in the outer wall of the cylinder and forcing it against theseat in the inner wall of the cylinder.

' In testimony whereof, I have signed my name to this specification inthe presence of two subscribing witnesses, this 11th day of April 1907.

CHARLES R. GREUTE'R.

t/Vitnesses:

(J. W. Mnrnr:sou,

FRANK 1. MA'rnnsoN.

